<!DOCTYPE html>
<html>
<head>
	<link rel="stylesheet" type="text/css" href="./link.css" media="only screen and (max-width:480px)" />
	<style>
		@media screen and (min-width: 480px){
			body{background:blue;}
		}
	</style>
</head>
<body>
777
</body>
</html>